Home / 126,635.28-189,963.84-33,141

Finding the Fourth Proportional to 126,635.28, 189,963.84 and 33,141

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Solution

The fourth proportional to 126,635.28, 189,963.84 and 33,141 is: 49,714.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,635.28 : 189,963.84 = 33,141 : x
  2. Step 2: Convert to fraction form
    126,635.28/189,963.84 = 33,141/x
  3. Step 3: Cross multiply
    126,635.28x = 189,963.84 × 33,141
  4. Step 4: Simplify right side
    126,635.28x = 6,295,591,621.44
  5. Step 5: Solve for x
    x = 6,295,591,621.44/126,635.28
  6. Step 6: Final answer
    x = 49,714.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.